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Multi Split or Single Split Air Conditioner: How To Decide?

20th Jun 2023 in Air Conditioning Blogs
Young woman switching on air conditioner sitting on couch

Selecting between multi-split and single-split air conditioning systems might seem like a daunting task, but it’s an opportunity to ensure optimal comfort for your space.

As the seasons change and temperatures rise, having a reliable and efficient cooling solution becomes a top priority.

In this article, we’ll dive into the intricacies of both multi-split and single-split systems, weighing their pros and cons to help you make an educated decision that aligns with your preferences and requirements.

Single-Split Air Conditioning System

White single split air conditioner system

A single-split air conditioning system consists of a solitary indoor unit (evaporator) linked to a sole outdoor unit (condenser). This configuration allows independent control over each room’s temperature, making it suitable for individual spaces.

Multi-Split Air Conditioning System

A multi split air conditioning system is a setup where multiple indoor units are connected to a single outdoor unit. Each indoor unit can be independently controlled, allowing for customised temperature settings in different rooms or areas of a building.

Factors To Consider When Choosing The Right Air Conditioning System

A few key factors you should be considering when starting the selection process.

  • Number of Rooms or Zones: Consider the total areas that require cooling. Determine whether a single unit can effectively cover multiple spaces or if a multi-split system is more suitable for individual control.
  • Space Availability: Assess the available space for outdoor unit installation. Multi-split systems often require more outdoor space due to the presence of multiple condenser units.
  • Energy Efficiency: Prioritize energy-efficient models that align with your environmental concerns and budget. Look for systems with high energy efficiency ratios (EER) and seasonal energy efficiency ratios (SEER).
  • Budget Constraints: Establish a clear budget for your air conditioning investment. Factor in initial costs, installation expenses, and long-term operational savings to ensure your choice is economically viable.

Pros & Cons Of Single And Multi Split Air Conditioning Systems

Air conditioner (split system) on the red wall

Single Split Unit – Pros

  • Individual temperature control: One outdoor unit can be independently controlled, allowing for customized temperature settings in different rooms.
  • Energy efficiency: You can selectively cool or heat specific areas, saving energy by not conditioning unused spaces.
  • Cost-effective for single-zone cooling: If you only need to cool or heat a single room or area, a single-split system is usually more affordable than a multi-split system.
  • Easy installation: The split air conditioner installation process is generally simpler since it involves connecting a single indoor unit to a corresponding outdoor unit.

Single Split Unit – Cons

  • Limited number of zones: A single-split system can only cool or heat one room or area at a time, so it may not be suitable if you require air conditioning in multiple zones.
  • Multiple outdoor units: If you need to cool or heat multiple rooms, you’ll need to install separate outdoor units for each indoor unit, which can be visually unappealing and take up more space.

Multi Split Unit – Pros

  • Multiple zone cooling: You can connect multiple indoor units to a single outdoor unit, allowing for simultaneous cooling or heating in different rooms or areas.
  • Space-saving: With a single outdoor unit, multi-split systems are a good option when space constraints prevent the installation of multiple outdoor units.
  • Cost-effective for multiple zones: If you require air conditioning in several rooms or areas, a multi-split system can be more cost-effective than installing separate single-split systems for each zone.

Multi Split Unit – Cons

  • Higher upfront cost: Multi-split systems generally have higher upfront costs due to the need for multiple indoor units and additional installation complexity.
  • Complex installation: The installation process can be more involved, as it requires multiple indoor units to be connected to a single outdoor unit.
  • Limited distance between indoor units: There may be limitations on the distance between the outdoor unit and indoor units, which could affect the system’s flexibility and placement options.

Air Conditioning System Recommendations

Selecting between multi-split and single-split air conditioning systems should be driven by various factors, including your lifestyle, preferences, and the layout of your space.


Your lifestyle plays a significant role in determining the ideal air conditioning system. For larger households with varying temperature preferences, a multi-split system shines.

Each family member can enjoy customized comfort in their respective rooms, ensuring harmony despite differing cooling needs.

On the other hand, individuals or couples with consistent preferences might find a single-split system more suitable.


Preferences vary greatly among individuals. If you value a seamless, discreet cooling solution, a multi-split system is excellent, as its multiple indoor units can be installed inconspicuously in various rooms.

Alternatively, if you prioritize simplicity and straightforward installation, a single-split system will cater to your preferences.

Layout of the Space

Residential Scenarios:

  • Family Homes: Multi-split systems are ideal for family homes with multiple bedrooms and living areas. Each zone can have its temperature settings, catering to everyone’s comfort.
  • Apartments: For apartments with limited outdoor space, a single-split system is a practical choice to cool individual rooms without compromising on aesthetics.
  • Open-Plan Spaces: Multi-split systems can effectively cool open-plan living spaces, maintaining consistent comfort throughout.

Commercial Scenarios:

Assembling an air conditioner

  • Offices: Multi-split systems are valuable in office environments, allowing separate control for individual offices or cubicles based on occupants’ preferences.
  • Retail Spaces: Single-split systems work well in retail settings, ensuring that specific areas with high foot traffic remain comfortably cool.
  • Restaurants: Multi-split systems enable targeted cooling for dining areas and kitchens, ensuring a pleasant experience for customers and staff alike.

In summary

Both options offer distinct advantages that can be harnessed to create a comfortable and efficient cooling environment, whether in residential or commercial settings.

Taking into account these factors will guide you towards the system that best suits your unique needs.

Visit our service page to explore our cooling solutions and take the first step towards an air conditioning system that suits your needs.

Don’t hesitate to get in touch with us – your ultimate comfort is our priority.

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